const math.SmallestNonzeroFloat64

3 uses

	math (current package)
		const.go#L35: 	SmallestNonzeroFloat64 = 4.940656458412465441765687928682213723651e-324 // 1 / 2**(1023 - 1 + 52)

	math/big
		float.go#L1003: 					return -math.SmallestNonzeroFloat64, Below
		float.go#L1005: 				return math.SmallestNonzeroFloat64, Above